DL Y9 T2 Revision/Mock Test

What is the full meaning of MICR?

Answer explanation

Magnetic Ink Character Recognition - this is used for printing on cheques so it is harder to damage.

If I would like to transcribe a handwritten note into an editable digital document which technology should I use? Please write in the full name

Answer explanation

Optical Character Recognition - allows a software to transfer handwritten text into editable digital text.

Which of these is a type of information that can be contained in a barcode?

• Pictures of the product

• Product code

• Prices of all items in the store

Answer explanation

Barcodes contain:

Product Code

Country of Manufacture

Name of Manufacturer

Barcodes are used often in libraries, shops and warehouses. They connect to databases which house the additional information related to the product

Which of these is a disadvantage of QR codes?

• It is extremely expensive to use

• It can send messages through the dark web

• QR needs to be purchased as a separate add-on device

• Limited data can be stored inside

Answer explanation

Quick Response Codes (QR) are very fast ways to access information but it can store only very limited data

(up to 4K characters of text only)

What is a common beneficial feature among direct data entry devices?

Answer explanation

Common features of direct data entry devices are:

Less chance of error

Quick capture as computer can read data faster than a human

More efficient as computer can multitask

What is an advantage to using voice recognition?

• Very noisy virtual assistants

• Allows multitasking while the user is busy

• Can be hard for the app to understand accents

Answer explanation

Voice recognition is great for people with disabilities and it can allow someone to multitask without having to hold their device

How can someone's information be leaked onto the internet?

• Metadata on the file has not been changed

• Left smartphone behind at a bus stop

• Data breaches & hacking attempts

• Changed your password 3 times in the last month

Answer explanation

Personal data can often be leaked via:

Data breach & hacking

Poor passwords

Postings on public accounts

Geotagging

Careless mistake of the owner where they revealed it by accident

Why are age restrictions necessary for some websites on the internet?

• Some websites are not age appropriate/require censorship

• Data protection laws prevent collection of personal information

• Because you don't want to see old cringey posts

• Some internet websites are just that cursed

Answer explanation

Age restrictions are necessary because of privacy concerns, censorship and the fact that online etiquette takes time to learn.

Which of these are an application software?

• Defragmenter

• BIOS

• Antivirus

• Microsoft word

Answer explanation

An application software is always an app that is not part of your system software or operating system. Good examples are web browsers, games, photo editing apps and similar programs.

Which of these are a systems software?

• Microsoft word

• Antivirus

• Adobe Photoshop

• Safari

Answer explanation

Systems software is any software that helps your computer run more smoothly or allows communication between the software and the hardware. Examples of this are antiviruses, operating system, defragger and so on.